001/*
002 * This file is part of McIDAS-V
003 *
004 * Copyright 2007-2016
005 * Space Science and Engineering Center (SSEC)
006 * University of Wisconsin - Madison
007 * 1225 W. Dayton Street, Madison, WI 53706, USA
008 * https://www.ssec.wisc.edu/mcidas
009 * 
010 * All Rights Reserved
011 * 
012 * McIDAS-V is built on Unidata's IDV and SSEC's VisAD libraries, and
013 * some McIDAS-V source code is based on IDV and VisAD source code.  
014 * 
015 * McIDAS-V is free software; you can redistribute it and/or modify
016 * it under the terms of the GNU Lesser Public License as published by
017 * the Free Software Foundation; either version 3 of the License, or
018 * (at your option) any later version.
019 * 
020 * McIDAS-V is distributed in the hope that it will be useful,
021 * but WITHOUT ANY WARRANTY; without even the implied warranty of
022 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
023 * GNU Lesser Public License for more details.
024 * 
025 * You should have received a copy of the GNU Lesser Public License
026 * along with this program.  If not, see http://www.gnu.org/licenses.
027 */
028
029package edu.wisc.ssec.mcidasv;
030
031import java.io.File;
032
033import org.slf4j.Logger;
034import org.slf4j.LoggerFactory;
035
036import ucar.unidata.idv.IntegratedDataViewer;
037import ucar.unidata.idv.PluginManager;
038import ucar.unidata.util.IOUtil;
039import ucar.unidata.util.LogUtil;
040import ucar.unidata.util.ResourceCollection;
041
042import edu.wisc.ssec.mcidasv.servermanager.LocalEntryEditor;
043
044/**
045 * McIDAS-V extension to the IDV's {@link PluginManager}. The chief difference
046 * is that all requests for plugins are redirected to SSEC rather than Unidata.
047 */
048public class McvPluginManager extends PluginManager {
049
050    private static final Logger logger = LoggerFactory.getLogger(LocalEntryEditor.class);
051
052    public McvPluginManager(IntegratedDataViewer idv) {
053        super(idv);
054    }
055
056    @Override protected void loadPlugins() throws Exception {
057        ResourceCollection rc = getResourceManager().getResources(
058            getResourceManager().RSC_PLUGINS);
059
060        for (int i = 0; i < rc.size(); i++) {
061            String path = rc.get(i).toString();
062            if (!rc.isWritable(i))
063                continue;
064
065            logger.debug("loadPlugins: path={}", path);
066            File pluginDir = new File(path);
067            File[] plugins = pluginDir.listFiles();
068            if (plugins == null)
069                continue;
070
071            for (File plugin : plugins) {
072                String current = plugin.getName();
073                if (current.startsWith(".tmp.") || current.endsWith(".deletethis"))
074                    continue;
075
076                if (current.startsWith("http%3A%2F%2Fwww.unidata")) {
077                    String newName = "http%3A%2F%2Fwww.ssec.wisc.edu%2Fmcidas%2Fsoftware%2Fv%2Fresources%2Fplugins%2F"+IOUtil.getFileTail(decode(current));
078                    logger.debug("  current={}", current);
079                    logger.debug("  newName={}\n",newName);
080                    File checkExisting = new File(plugin.getParent(), newName);
081                    if (checkExisting.exists())
082                        logger.debug("    newName already exists...");
083                    else
084                        logger.debug("    rename plugin...");
085                }
086            }
087        }
088        super.loadPlugins();
089    }
090
091    /**
092     * McIDAS-V overrides {@link PluginManager#removePlugin(File)} so that the
093     * user is given an update on their plugin situation.
094     */
095    @Override public void removePlugin(File file) { 
096        super.removePlugin(file);
097        LogUtil.userMessage("You must restart McIDAS-V to complete the removal of this plugin.");
098    }
099    
100    /**
101     * Do not give the option to restart.  Simply note that a restart is necessary at some point in the future.
102     */
103    protected void notifyUser() {
104        LogUtil.userMessage("You must restart McIDAS-V to complete the installation of this plugin.");
105        return;
106    }
107}